It is possible that 2019 turns out to be good year like 2017 since the big long correction of 2018 seems over mostly. Hard to know what altcoins will do best so invest in many good ones.
There will be no shortage of recommendations but the truth is no one really knows the future. All the coins are great values so buy any good top ranked coins.
A bull run will take a few months to unfold so it is hard to know so early if this is indeed the start of one. Bitcoin needs to go above $6K and then $10K to make it a new bull run.
Market is starting to turn bullish slowly. No way to be sure but there are many smart people saying that it could be finally the start of the next bull run.